package demo;

public class Demo {
    public static void main(String[] args) {
        System.out.println("Demo");
        System.out.println("demo");
        System.out.println("在分支上插入一句话");
        System.out.println("在主线上添加一句输出");
        System.out.println("在新建立的分支上添加的输出！！！");
    }
}
